Ziploc FBA_70311 Clothing Space Bag, Variety Pack, 5 Count Ideal for storing clothing. Vacuum-sealing compresses many items and saves valuable storage space. Volume can be reduced by up to 75% to triple your storage space, depending on the items placed in the bag. The patented one-way air valve allows removal of air from Space Bag Flat Bag using any household vacuum cleaner hose. The vacuum seal closure system seals like a sandwich bag but, unlike a sandwich bag, the closure is airtight.